These are the most compact and powerful COMPLETE 2 horn & 2 Compressor system available. Will fit almost anywhere. This is a true high quality and LOUD air horn kit, COMPLETE WITH COMPRESSORS AND HOSES. This is a COMPLETE kit, all you will need is some wiring, everything else is included. (You will receive the items Pictured ONLY) These horns have been tested to over 145 DB, to more than 250,000 continuous action cycles, and for millions of miles with little to no failures. If you want the best quality complete train horn kit on the market this is it. Horn Features: - Will fit any car, truck, or SUV with a 12V Electrical System. Universal Fitment - Truly high quality - Immediate activation, no time delay between the time you press the horn and the time it sounds. - Will outlast your car or truck - Tested to over 145 DB Sound. - Dual horns - Heavy Duty Compressors - Beautiful triple Chrome plated finish. - Very compact only 15.5" x 6" x 4". These Compact Air Horns are extremely Loud. To put in Perspective a stock car horn is usually 90-100 Db, These Horns are 145 Db, which is at least over 10 times Louder than a Regular Vehicle Oem Horn. Note: This Compact Air Horn kit doesnt come with any wiring, This Horn kit Only comes with the Items Pictured, Please do not Assume that it comes with wiring or any other accessories.